Information like Ezio (full name Ezio Auditore de Firenze) can glide on Da Vinci's flying machine, there's a
lot of new weapons in the game, enemies can be
disarmed and their weapons used
against them, there's a special move for every weapon, and perhaps most interestingly, there are 16 unique mission types and none of them include pick pocketing or eavesdropping.